[INFO] cloning repository https://github.com/hanspistorstetson/tetris-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hanspistorstetson/tetris-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanspistorstetson%2Ftetris-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanspistorstetson%2Ftetris-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95d918e00e79ffa9d68c11340e2609011b1f8071
[INFO] testing hanspistorstetson/tetris-rs against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanspistorstetson%2Ftetris-rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hanspistorstetson/tetris-rs on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hanspistorstetson/tetris-rs
[INFO] finished tweaking git repo https://github.com/hanspistorstetson/tetris-rs
[INFO] tweaked toml for git repo https://github.com/hanspistorstetson/tetris-rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/hanspistorstetson/tetris-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f5f12750a125e2d32c7751adce9fee979f233867556b105e3c59436168173d3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9f5f12750a125e2d32c7751adce9fee979f233867556b105e3c59436168173d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f5f12750a125e2d32c7751adce9fee979f233867556b105e3c59436168173d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f5f12750a125e2d32c7751adce9fee979f233867556b105e3c59436168173d3", kill_on_drop: false }`
[INFO] [stdout] 9f5f12750a125e2d32c7751adce9fee979f233867556b105e3c59436168173d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cae0403d90cc9f625a4ce6a53e7d868c7aec2e2169e575d7b981bf8f0231c17
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1cae0403d90cc9f625a4ce6a53e7d868c7aec2e2169e575d7b981bf8f0231c17", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2-sys v0.30.0
[INFO] [stderr]    Compiling tetris v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling sdl2 v0.30.0
[INFO] [stdout] warning: function is never used: `slice_to_string`
[INFO] [stdout]   --> src/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn slice_to_string(slice: &[u32]) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `line_to_slice`
[INFO] [stdout]   --> src/main.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn line_to_slice(line: &str) -> Vec<u32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_into_file`
[INFO] [stdout]   --> src/main.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn write_into_file(content: &str, filename: &str) -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_from_file`
[INFO] [stdout]   --> src/main.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn read_from_file(file_name: &str) -> io::Result<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `save_highscores_and_lines`
[INFO] [stdout]   --> src/main.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn save_highscores_and_lines(highscores: &[u32], number_of_lines: &[u32]) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `load_highscores_and_lines`
[INFO] [stdout]   --> src/main.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn load_highscores_and_lines() -> Option<(Vec<u32>, Vec<u32>)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/tetris-e9a9688d957ce03b.tetris.9a3g1qe0-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/tetris-e9a9688d957ce03b.tetris.9a3g1qe0-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/tetris-e9a9688d957ce03b.tetris.9a3g1qe0-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/tetris-e9a9688d957ce03b.tetris.9a3g1qe0-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/tetris-e9a9688d957ce03b.tetris.9a3g1qe0-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/tetris-e9a9688d957ce03b.tetris.9a3g1qe0-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/tetris-e9a9688d957ce03b.tetris.9a3g1qe0-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/tetris-e9a9688d957ce03b.tetris.9a3g1qe0-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/tetris-e9a9688d957ce03b.tetris.9a3g1qe0-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/tetris-e9a9688d957ce03b.tetris.9a3g1qe0-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/tetris-e9a9688d957ce03b.tetris.9a3g1qe0-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/tetris-e9a9688d957ce03b.tetris.9a3g1qe0-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/tetris-e9a9688d957ce03b.tetris.9a3g1qe0-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/tetris-e9a9688d957ce03b.tetris.9a3g1qe0-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/tetris-e9a9688d957ce03b.tetris.9a3g1qe0-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/tetris-e9a9688d957ce03b.tetris.9a3g1qe0-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/tetris-e9a9688d957ce03b" "/opt/rustwide/target/debug/deps/tetris-e9a9688d957ce03b.4ec9vy80ybelf9dx.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl2-cb7f9d79c43b7682.rlib" "/opt/rustwide/target/debug/deps/librand-9cdef244d3128432.rlib" "/opt/rustwide/target/debug/deps/librand-c31811cc0fc4f3df.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-cac98dd736a3553b.rlib" "/opt/rustwide/target/debug/deps/libbitflags-7b15d77b989f677d.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-2ea69cae54b65af6.rlib" "/opt/rustwide/target/debug/deps/liblibc-788ccbe2475f8bf2.rlib" "/opt/rustwide/target/debug/deps/libnum-c95c7f7dfb6aa5cf.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-bb36ab64519fe73d.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-f450ce6e322f2482.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-6975ea36585c9df2.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3532beb752f910d7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3529ece450b7f3c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-23e8f582a6744f80.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-5e7e0793b29cbf78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-253e0736424ceb78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-b6fd484888124c85.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-cca4d20e4b53839c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0a7401891c2a4f50.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-efbb25e073df787e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-25965457612624bc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-09058283ea779342.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-ab973dacc0513511.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b437d6640b1f764b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8cc0b2380206399c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-727cdf2b6a468113.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cf4d442d877ea2f4.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7e5b6df427ca977c.rlib" "-Wl,-Bdynamic" "-lSDL2_image" "-lSDL2" "-lutil" "-lutil" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_image
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tetris`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "1cae0403d90cc9f625a4ce6a53e7d868c7aec2e2169e575d7b981bf8f0231c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cae0403d90cc9f625a4ce6a53e7d868c7aec2e2169e575d7b981bf8f0231c17", kill_on_drop: false }`
[INFO] [stdout] 1cae0403d90cc9f625a4ce6a53e7d868c7aec2e2169e575d7b981bf8f0231c17
